Correct

无巧不成书

/ wú qiǎo bùchéng shū / 
Strokes

Definition

curious coincidence

Example

Definition

without coincidences there would be no stories; as chance/luck would have it; it so happened that...

1
Wúqiǎobùchéngshū
无巧不成书
  
,
wǒ
我
yòu
又
zài
在
yànhuì
宴会
shàng
上
pèngjiàn
碰见
tā
他
  
。

As chance would have it, I met him again at a dinner party.